• Chinese Optics Letters
  • Vol. 22, Issue 4, 041402 (2024)
Xiaobo Mi1, Chaonan Lin1, Yongsheng Hu1、*, Houjie Ma1, Jiuru He1, Fengying Ma1, Li Fan2、**, and Chongxin Shan1、***
Author Affiliations
  • 1School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, China
  • 2College of Physics Science and Technology, Institute of Applied Photonic Technology, Yangzhou University, Yangzhou 225002, China
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    DOI: 10.3788/COL202422.041402 Cite this Article Set citation alerts
    Xiaobo Mi, Chaonan Lin, Yongsheng Hu, Houjie Ma, Jiuru He, Fengying Ma, Li Fan, Chongxin Shan. Eye-safe intra-cavity diamond cascaded Raman laser with high peak-power and narrow linewidth[J]. Chinese Optics Letters, 2024, 22(4): 041402 Copy Citation Text show less
    Schematic setup of the V-shaped folded intra-cavity Nd:YVO4/diamond eye-safe Raman laser. M1, input mirror; M2, folding mirror; M3, dichroic mirror; M4, output coupler; AOS, acousto-optic Q-switch.
    Fig. 1. Schematic setup of the V-shaped folded intra-cavity Nd:YVO4/diamond eye-safe Raman laser. M1, input mirror; M2, folding mirror; M3, dichroic mirror; M4, output coupler; AOS, acousto-optic Q-switch.
    (a) The fundamental laser beam radius distribution in the cavity. (b) The fundamental laser beam radius on both the Nd:YVO4 and the diamond under different thermal lens focal lengths.
    Fig. 2. (a) The fundamental laser beam radius distribution in the cavity. (b) The fundamental laser beam radius on both the Nd:YVO4 and the diamond under different thermal lens focal lengths.
    (a) Power transfer characteristic for the fundamental laser at 50 kHz. (b) The fundamental laser emission spectrum at 27.2 W incident pump power. Inset: a single pulse shape.
    Fig. 3. (a) Power transfer characteristic for the fundamental laser at 50 kHz. (b) The fundamental laser emission spectrum at 27.2 W incident pump power. Inset: a single pulse shape.
    Characteristics of the second-Stokes laser. (a) Average output power and pulse energy versus incident pump power at 50 kHz. (b) Emission spectrum for 27.2 W incident pump power. Inset: high-resolution spectrum.
    Fig. 4. Characteristics of the second-Stokes laser. (a) Average output power and pulse energy versus incident pump power at 50 kHz. (b) Emission spectrum for 27.2 W incident pump power. Inset: high-resolution spectrum.
    Characteristics of the second-Stokes laser. (a) Pulse width and peak power versus incident pump power at 50 kHz. (b) Average output power and peak power versus different PRFs.
    Fig. 5. Characteristics of the second-Stokes laser. (a) Pulse width and peak power versus incident pump power at 50 kHz. (b) Average output power and peak power versus different PRFs.
    Pulse characteristics of the second-Stokes laser at 27.2 W and 50 kHz. (a) Pulse train and (b) single pulse shape.
    Fig. 6. Pulse characteristics of the second-Stokes laser at 27.2 W and 50 kHz. (a) Pulse train and (b) single pulse shape.
    Xiaobo Mi, Chaonan Lin, Yongsheng Hu, Houjie Ma, Jiuru He, Fengying Ma, Li Fan, Chongxin Shan. Eye-safe intra-cavity diamond cascaded Raman laser with high peak-power and narrow linewidth[J]. Chinese Optics Letters, 2024, 22(4): 041402
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